bleed air rate

简明释义

抽气率

英英释义

例句

1.Engineers conducted tests to determine the optimal bleed air rate for various altitudes.

工程师进行了测试，以确定不同高度的最佳引气流量。

2.The aircraft's manual provides guidelines for setting the bleed air rate during different phases of flight.

飞机手册提供了在不同飞行阶段设置引气流量的指南。

3.A high bleed air rate can lead to decreased fuel efficiency.

高引气流量可能导致燃油效率降低。

4.The engineer adjusted the bleed air rate to optimize engine performance.

工程师调整了引气流量以优化发动机性能。

5.Monitoring the bleed air rate is crucial during takeoff and landing.

在起飞和降落期间监测引气流量至关重要。

作文

The term bleed air rate refers to the quantity of compressed air that is extracted from an aircraft's engine or pneumatic system for various purposes. This process is crucial in aviation, as it plays a significant role in ensuring the functionality of several systems onboard an aircraft. Understanding the bleed air rate is essential for pilots, engineers, and maintenance personnel alike, as it directly impacts the performance, safety, and efficiency of the aircraft.In aviation, bleed air is primarily used for cabin pressurization, air conditioning, and engine starting. When an aircraft is in flight, maintaining a comfortable environment for passengers and crew members is paramount. The bleed air rate determines how much air can be diverted from the engines to achieve this goal. If the rate is too low, the cabin may not be adequately pressurized, leading to discomfort or even health risks for those on board.Moreover, the bleed air rate is also critical during the engine start sequence. Compressed air is needed to spin the engine’s turbines up to a speed where they can sustain combustion. A proper bleed air rate ensures that enough air is available for this process, allowing for a smooth and efficient start-up. Any issues with the bleed air rate can result in prolonged start times or even failures, which could compromise safety.Another important aspect of the bleed air rate is its role in the aircraft's environmental control systems. These systems rely on bleed air to regulate temperature and maintain air quality within the cabin. An optimal bleed air rate allows for effective cooling or heating, depending on the external conditions. If the bleed air rate is not managed correctly, it could lead to uncomfortable temperatures, which could distract the crew and negatively affect passenger experience.In addition to these operational considerations, the bleed air rate has implications for fuel efficiency. Aircraft engines are designed to operate within specific parameters, and excessive bleed air extraction can lead to increased fuel consumption. Engineers must carefully calculate the bleed air rate to ensure that it meets the demands of the aircraft's systems without compromising overall efficiency. This balance is crucial for airline operators who aim to minimize operational costs while providing safe and comfortable flights.In conclusion, the bleed air rate is a vital parameter in the operation of modern aircraft. It affects various systems, including cabin pressurization, engine starting, and environmental controls, all of which contribute to the overall safety and comfort of the flight. A thorough understanding of the bleed air rate is essential for aviation professionals to ensure that aircraft operate efficiently and safely. As technology continues to advance, ongoing research and development will likely lead to improved methods for managing bleed air, ultimately enhancing the performance and sustainability of air travel.

术语bleed air rate指的是从飞机引擎或气动系统中提取的压缩空气的数量，用于各种目的。这个过程在航空中至关重要，因为它在确保飞机上多个系统的功能方面发挥着重要作用。理解bleed air rate对飞行员、工程师和维护人员来说都是至关重要的，因为它直接影响到飞机的性能、安全性和效率。在航空中，bleed air主要用于舱内加压、空调和发动机启动。当飞机在飞行时，保持乘客和机组人员的舒适环境是至关重要的。bleed air rate决定了可以从发动机中分流多少空气来实现这一目标。如果速度过低，舱内可能无法得到充分加压，导致乘客的不适甚至健康风险。此外，bleed air rate在发动机启动序列中也至关重要。压缩空气被用来使发动机的涡轮旋转到一个可以维持燃烧的速度。适当的bleed air rate确保在这一过程中有足够的空气可用，从而实现平稳高效的启动。如果bleed air rate出现问题，可能会导致启动时间延长甚至失败，这可能危及安全。bleed air rate的另一个重要方面是其在飞机环境控制系统中的作用。这些系统依赖于bleed air来调节温度并维持舱内空气质量。最佳的bleed air rate能够有效地进行冷却或加热，具体取决于外部条件。如果bleed air rate管理不当，可能导致温度不适，从而分散机组人员的注意力，负面影响乘客体验。除了这些操作考虑外，bleed air rate还对燃油效率产生影响。飞机发动机设计为在特定参数内运行，过多的bleed air提取可能导致燃油消耗增加。工程师必须仔细计算bleed air rate，以确保它满足飞机系统的需求，而不会妨碍整体效率。这种平衡对于旨在最小化运营成本的航空公司而言至关重要，同时提供安全和舒适的航班。总之，bleed air rate是现代飞机操作中的一个重要参数。它影响多个系统，包括舱内加压、发动机启动和环境控制，这些都对飞行的整体安全性和舒适性做出了贡献。对航空专业人士来说，全面理解bleed air rate对于确保飞机高效安全地运行至关重要。随着技术的不断进步，持续的研究和开发可能会导致改进的bleed air管理方法，最终提升航空旅行的性能和可持续性。